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Finding the Fourth Proportional to 12,423.98, 17,144.93 and 6,758.62

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Solution

The fourth proportional to 12,423.98, 17,144.93 and 6,758.62 is: 9,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423.98 : 17,144.93 = 6,758.62 : x
  2. Step 2: Convert to fraction form
    12,423.98/17,144.93 = 6,758.62/x
  3. Step 3: Cross multiply
    12,423.98x = 17,144.93 × 6,758.62
  4. Step 4: Simplify right side
    12,423.98x = 115,876,040.83
  5. Step 5: Solve for x
    x = 115,876,040.83/12,423.98
  6. Step 6: Final answer
    x = 9,326.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.